SB2018100112 - Input validation error in Fedoraproject Fedora
Published: October 1, 2018 Updated: August 8, 2020
Security Bulletin ID
SB2018100112
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2018-17847)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The html package (aka x/net/html) through 2018-09-25 in Go mishandles <svg><template><desc><t><svg></template>, leading to a "panic: runtime error" (index out of range) in (*nodeStack).pop in node.go, called from (*parser).clearActiveFormattingElements, during an html.Parse call.
Remediation
Install update from vendor's website.